// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/message_center/notification_blocker.h"

#include "ui/message_center/message_center.h"

namespace message_center {

NotificationBlocker::NotificationBlocker(MessageCenter* message_center)
    : message_center_(message_center)
{
    if (message_center_)
        message_center_->AddNotificationBlocker(this);
}

NotificationBlocker::~NotificationBlocker()
{
    if (message_center_)
        message_center_->RemoveNotificationBlocker(this);
}

void NotificationBlocker::AddObserver(NotificationBlocker::Observer* observer)
{
    observers_.AddObserver(observer);
}

void NotificationBlocker::RemoveObserver(
    NotificationBlocker::Observer* observer)
{
    observers_.RemoveObserver(observer);
}

bool NotificationBlocker::ShouldShowNotification(
    const NotifierId& notifier_id) const
{
    return true;
}

void NotificationBlocker::NotifyBlockingStateChanged()
{
    FOR_EACH_OBSERVER(
        NotificationBlocker::Observer, observers_, OnBlockingStateChanged(this));
}

} // namespace message_center
